Analysis of the difference between Print Printf and Println in Go

one,PrintandPrintln

These two printing methods are similar, and there are only differences in formats, as follows:

package main

import "fmt"

func main() {
    ("hello")
    ("world")
    ("========")
    ("hello")
    ("world")
    ("========")
    ("hello", "world")
    ("hello", "world")
}

// The results are as follows:helloworld========
hello
world
========
helloworldhello world

From the above we can see:

Println There are blank lines between each item printed, Print does not
Println There will be spaces between each of them when printing multiple, Print does not

two,PrintlnandPrintf

as follows:

package main

import "fmt"

func main() {
    a:= 10
    b:= "hello, world!"
    ("%d,%v", a, b)
    ("%d,%v", a, b)
}

// The results are as follows:%d,%v 10 hello, world!
10,hello, world!%

Printf can print out formatted strings, Println cannot

Summarize:

function	Multiple items output in the same function	Different function output
Println	There are spaces between	Line break
Print	No space exists	No line break
Printf	Format output	No line break

Println and Printf are both public methods in the fmt package. These two functions are required when printing information.
Println: Can print out strings and variables
Printf: Only formatted strings can be printed, string type variables can be output, and plastic variables and plastic variables can not be output.
Println will automatically wrap lines, Print will not
Println There are blank lines between each item printed, Print does not

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